Siemens SITRANS FX330 Istruzioni operative

Additional Operating Instructions

SITRANS FX330 Ex-i

Vortex ﬂowmeters

09/2018Edition

SITRANS F

www.siemens.com/ﬂow

CONTENTS

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SITRANS FX330

1 Safety instructions 3

1.1 General notes ................................................................................................................... 3

1.2 EU conformity ................................................................................................................... 3

1.3 Approval according to the IECEx scheme ........................................................................ 3

1.4 Safety instructions............................................................................................................ 4

2 Device description 5

2.1 Device description ............................................................................................................ 5

2.2 Marking............................................................................................................................. 5

2.3 Flammable products ........................................................................................................ 7

2.4 Equipment category .........................................................................................................7

2.5 Types of protection ........................................................................................................... 8

2.6 Ambient temperature / temperature classes.................................................................. 8

2.7 Electrical data................................................................................................................. 16

3 Installation 17

3.1 Mounting ......................................................................................................................... 17

3.2 Special conditions........................................................................................................... 18

4 Electrical connections 19

4.1 General notes ................................................................................................................. 19

4.2 Power supply .................................................................................................................. 19

4.3 Inputs / Outputs .............................................................................................................. 20

4.4 Grounding and equipotential bonding............................................................................ 20

4.5 Flow sensor circuits (remote version only) ................................................................... 22

5 Operation 23

5.1 Start-up........................................................................................................................... 23

5.2 Operation ........................................................................................................................ 23

5.3 Electrostatic charge .......................................................................................................23

6 Service 24

6.1 Maintenance ................................................................................................................... 24

6.2 Dismantling .................................................................................................................... 24

7 Notes 26

SAFETY INSTRUCTIONS

SITRANS FX330

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1.1 General notes

This additional instruction applies to explosion-protected versions of vortex flowmeters with

protection type intrinsic safety "i", equipment category II 2 G and EPL Gb.

It completes the standard manual for the non-explosion protected versions.

The information given in this instruction contains only the data relevant to explosion protection.

The technical details given in the manual for the non-explosion protected versions remain

unchanged unless they will be excluded or replaced by this instruction.

1.2 EU conformity

The manufacturer declares with the EU declaration of conformity on his own responsibility

conformity with the protection goals of directive 2014/34/EU for use in hazardous areas with gas.

The EU declaration of conformity for the equipment category II 2 G is based on the EU type

examination certificate of the KIWA ExVision:

The "X" after the certificate number refers to special conditions for safe use of the device, which

have been listed in these instructions.

If necessary, the EU type examination certificate can be downloaded from the manufacturer's

website.

1.3 Approval according to the IECEx scheme

Conformity of the vortex flowmeter for use in hazardous areas with gas was tested in accordance

with the "IECEx Certification Scheme for Explosive Atmospheres" according to IEC 60079-0 and

IEC 60079-11.

The number of the IEC certificate is:

The "X" after the certificate number refers to special conditions for safe use of the device, which

have been listed in these instructions.

If needed, the IEC certificate can be downloaded from the manufacturer's website.

KIWA 16 ATEX 0044X

KIWA 16 ATEX 0044XKIWA 16 ATEX 0044X

KIWA 16 ATEX 0044X

IECEx KIWA 16.0021X

IECEx KIWA 16.0021XIECEx KIWA 16.0021X

IECEx KIWA 16.0021X

SAFETY INSTRUCTIONS

SITRANS FX330

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1.4 Safety instructions

If these instructions are not followed, there is a risk of explosion.

Assembly, installation, start-up and maintenance may only be performed by personnel trained in

explosion protection!

CAUTION!

The operator or his agent is responsible for observing any additional standards, directives or

laws if required due to operating conditions or place of installation.

This applies in particular to the use of easily detachable process connections when measuring

flammable media.

DEVICE DESCRIPTION

SITRANS FX330

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2.1 Device description

Vortex flowmeters measure and display the flow of flammable and non-flammable gases and

liquids. The signal converter includes either a 4...20 mA signal output with optional HART

communication or a bus connection. There are bus connections available according to the FISCO

model for connecting to the Foundation Fieldbus or Profibus PA. Signal converters with signal

output have a separate binary output and a separate current input.

The SITRANS FX330 remote version consists of the SITRANS FXS300 flow sensor and the

SITRANS FXT030 signal converter.

2.2 Marking

The marking of the devices in accordance with the description code is shown on the nameplates

below. On both the compact devices and the remote versions, the main plate is located on the

signal converter housing. On the remote versions there is an additional marking on the flow

sensor.

Compact versions with two signal converters for dual measurement (dual version) are each

marked with a nameplate, which is attached to each of the signal converter housings.

The details relevant to explosion protection are identical on both nameplates.

Figure 2-1: Example of a nameplate for the compact version

1 Device version SITRANS FX330

2 Production order number

3 Serial number

4 Year of manufacture

5 Ex data according to KIWA 16 ATEX 0044X or IECEx KIWA 16.0021X

6 Permissible ambient temperature range

7 Maximum values intrinsically safe circuits

8 Safety instructions, disposal and data matrix

9 Internet address of the manufacturer

DEVICE DESCRIPTION

SITRANS FX330

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Figure 2-2: Example of the nameplates for the remote version

1 Device version SITRANS FXT030 / SITRANS FXS300

2 Production order number

3 Serial number

4 Year of manufacture

5 Ex data according to KIWA 16 ATEX 0044X or IECEx KIWA 16.0021X

6 Permissible ambient temperature range

7 Maximum values intrinsically safe circuits

8 Safety instructions, disposal and data matrix

9 Internet address of the manufacturer

DEVICE DESCRIPTION

SITRANS FX330

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2.3 Flammable products

Atmospheric conditions

An explosive atmosphere is a mixture of air and flammable gases, vapours, mists or dusts under

atmospheric conditions.

It is defined by the following values T

atm

= -20...+60°C / -4...+140°F and P

atm

= 0.8...1.1 bar /

11.6...15.9 psi.

Outside of this range, for most mixtures no key figures are available for the ignition behaviour.

Operating conditions

Vortex flowmeters operate outside of atmospheric conditions, which means that explosion

protection according to the ATEX directive, regardless of the zone assignment, is fundamentally

not applicable due to the lack of key safety data for the interior of the measuring section.

2.4 Equipment category

Vortex flowmeters are designed in category II 2 G and EPL Gb according to EN 60079-0 and

EN 60079-11 for use in zone 1. The inside of the measuring unit is also approved for zone 1.

Vortex flowmeters are designed according to the "IECEx-Scheme" according to "Equipment

Protection Level [EPL] Gb".

CAUTION!

Operation with flammable products is only permitted as long as no explosive fuel/air mixture

builds up on the inside of the flowmeter under operating conditions. The operator is responsible

to ensure that the flowmeter is operated safely in terms of the temperature and pressure of the

products used.

In case of operation with flammable products the measuring units must be included in the

periodic pressure tests of the system.

INFORMATION!

Definition of zone 1 according to EN 1127-1, Appendix B:

An area in which an explosive atmosphere, as a result of the mixture of flammable substances in

the form of gas, steam or mist with air, under normal operation may occasionally occur.

DEVICE DESCRIPTION

SITRANS FX330

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2.5 Types of protection

2.6 Ambient temperature / temperature classes

Because of the influence of the temperature of the product, no fixed temperature class is

assigned to vortex flowmeters. The temperature class of these devices is rather a function of the

product temperature and ambient temperature that is present and the specific device version.

The classification is outlined in the following tables.

The tables take into account the following parameters:

•Ambient temperature T

amb

•Product temperature T

•Nominal size DN

•Heat resistance of the connecting cable

The marking is:

ATEX II 2 G Ex ia IIC T6...T2 Gb

II 2 G Ex ia IIC T6...T2 GbII 2 G Ex ia IIC T6...T2 Gb

II 2 G Ex ia IIC T6...T2 Gb

(compact version, flow sensor in remote version)

II 2 G Ex ia IIC T6 Gb

II 2 G Ex ia IIC T6 GbII 2 G Ex ia IIC T6 Gb

II 2 G Ex ia IIC T6 Gb

(signal converter in remote version)

IECEx Ex ia IIC T6...T2 Gb

Ex ia IIC T6...T2 GbEx ia IIC T6...T2 Gb

Ex ia IIC T6...T2 Gb

(compact version, flow sensor in remote version)

Ex ia IIC T6 Gb

Ex ia IIC T6 GbEx ia IIC T6 Gb

Ex ia IIC T6 Gb

(signal converter in remote version)

The marking contains the following information:

The marking contains the following information:The marking contains the following information:

The marking contains the following information:

IIII

II Explosion protection, group II

2Equipment category 2

GGas explosion protection

Ex ia

Ex iaEx ia

Ex ia Intrinsically safe, level of protection "ia"

IIC

IICIIC

IIC Gas group, suitable for gas groups IIC, IIB and IIA

T6...T2

T6...T2T6...T2

T6...T2 Temperature class range

(compact version, flow sensor in remote version)

T6T6

T6 Temperature class

(signal converter in remote version)

GbGb

Gb EPL, suitable for zone 1

INFORMATION!

In principle, operation is possible in all ranges of the temperature classes T1...T6.

DEVICE DESCRIPTION

SITRANS FX330

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The permitted ambient temperature range is indicated on the nameplate; depending on the

device version it is T

amb

= -40...+65°C / -40...+149°F.

The minimum product temperature is -40°C/-40°F.

INFORMATION!

The maximum permissible product temperatures listed in the tables are valid under

the following conditions:

•

The measuring device is installed and operated in accordance with the manufacturer's

installation instructions.

•

It must be ensured that the flowmeter is not heated by the effects of additional heat radiation

(sunshine, neighbouring system components) and thus operated above the permissible

ambient temperature range.

•

Insulation must be limited to the piping. Unobstructed ventilation of the signal converter

must be ensured.

DEVICE DESCRIPTION

SITRANS FX330

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Max. permissible product and ambient temperatures with signal converter or

connection box mounted above the flow sensor

Temperature class in °C

Temperature class in °F

Temperature class T6 T5 T4 T3 T2

amb

in °C40 60 60 65 40 60 65 40 60 65

Nominal size

DN15…25 85 65 135 135 1 200 200 1 185 1 240 210 1 185 1

DN40…50 75 65 135 135 1 200 195 1 165 1 240 195 1 165 1

DN80…100 70 65 135 1 135 1 200 165 1 145 1 240 1 165 1 145 1

DN150...300 80 65 135 135 1 200 200 1 170 1 240 200 1 170 1

1Permanent service temperature of connecting cable and cable entry min. 80°C

Temperature class T6 T5 T4 T3 T2

amb

in °F104 140 140 149 104 140 149 104 140 149

Nominal size

DN15…25 185 149 275 275 1 392 392 1 365 1 464 410 1 365 1

DN40…50 167 149 275 275 1 392 383 1 329 1 464 383 1 329 1

DN80…100 158 149 275 1 275 1 392 329 1 293 1 464 1 329 1 293 1

DN150...300 176 149 275 275 1 392 392 1 338 1 464 392 1 338 1

1Permanent service temperature of connecting cable and cable entry min. 176°F

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